Previously, the New WebSocket implementation in blink would treat an empty sub-protocol list as a vector containing a single empty string.

Empty WebSocket sub-protocols don't work, so send an empty vector instead.

BUG=312662

Review URL: https://codereview.chromium.org/50613002

git-svn-id: svn://svn.chromium.org/blink/trunk@160898 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Web Animations CSS: Fix release crash when animating 'none' images

StyleImages on render styles are allowed to be null meaning the CSS
keyword none was used as the value.
This patch handles the null case and properly animates it as the none
keyword.

BUG=257591

Review URL: https://codereview.chromium.org/46883006

git-svn-id: svn://svn.chromium.org/blink/trunk@160899 bbb929c8-8fbe-4397-9dbb-9b2b20218538